Technology of Effective Abrasive Jet Machining of Parts Surfaces

Sychuk, Viktor; Zabolotnyi, Oleg; Somov, Dmytro

doi:10.1007/978-3-319-93587-4_18

Cited by 6 publications

(5 citation statements)

References 2 publications

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“…Particularly, Figure 6 shows an increase in the mass flow rate with an increase in its diameter. This effect also corresponds to the research work by Sychuk et al [24].…”

Section: Discussionsupporting

confidence: 92%

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An Increase in the Energy Efficiency of Abrasive Jet Equipment Based on the Rational Choice of Nozzle Geometry

Baha,

Mižáková,

Pavlenko

2023

Energies

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Permanently increasing requirements for the accuracy of abrasive jet machining (AJM) predetermine a need to increase requirements for the rational choice of the related energy-efficient technological equipment. Due to the relatively cheap and high-quality cleaning of materials from contaminants using AJM, the problem of increasing the energy efficiency of the corresponding equipment based on the rational choice of nozzle geometry becomes more topical. This is also because the working nozzle is a consumable part that requires periodic replacements. Therefore, this article deals with rational designing working nozzles as a reliable way to decrease the power consumption of the compressor equipment while engaging in AJM. For this purpose, experimental and numerical studies of the operating processes in the nozzle were carried out. The main idea of increasing the nozzle’s efficiency was to reduce the contact area between the working flow and the nozzle. Due to this, the friction of the abrasive material with its walls was decreased. As a result, the AJM was accelerated, and the energy consumption of the corresponding compressor equipment was reduced. The research showed that a decrease in the nozzle’s length up to 4 mm increased the flow ratio by 84% and decreased the energy consumption of the 40 kW compressor unit by 4.5 times.

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“…Particularly, Figure 6 shows an increase in the mass flow rate with an increase in its diameter. This effect also corresponds to the research work by Sychuk et al [24].…”

Section: Discussionsupporting

confidence: 92%

“…Moreover, Sychuk et al [24] applied a technology of effective abrasive jet machining of parts surfaces. The developed nozzle design allowed for forming an air layer on the inner surface to reduce the contact of the abrasive airflow with the nozzle surface and increase the durability and energy efficiency of the AJM.…”

Section: Introductionmentioning

confidence: 99%

An Increase in the Energy Efficiency of Abrasive Jet Equipment Based on the Rational Choice of Nozzle Geometry

Baha,

Mižáková,

Pavlenko

2023

Energies

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“…With the purpose to implement our ideas [2], [3], [4] we decided to determine optimal technological regimes of abrasive blasting while processing of the internal surface of the water meter KVB-10 (see Figure 1).…”

Section: Methodsmentioning

confidence: 99%

“…ing productivity of abrasive blasting processing of surfaces. Good results were obtained because of designing a new assembled abrasive jet nozzle and researching a special technology of its application [2], [3], [4]. The result of mentioned above treatment is a surface with defined geometrical properties where roughness is the most important for us.…”

Section: Introductionmentioning

confidence: 99%

Surface Roughness Measurement of Casted Parts after Abrasive Blasting Processing

Sychuk¹,

Zabolotnyi²,

Somov³

et al. 2018

Proceedings of the 3rd EAI International Conference on Management of Manufacturing Systems

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This scientific paper was devoted to estimate roughness parameter of processed casted parts surfaces after abrasive blasting. It was offered to apply abrasive blasting processing, instead of shot blasting, of internal surface of water meter manufactured by molding with the purpose to increase productivity of the surface processing. There were shown roughness measurement results of experimental studies of processed surfaces using different technological regimes. It was shown an easy and simple way how to measure roughness using digital images of scanned processed surfaces and analyzing them in Gwyddion v.2.41 software. It was also introduced a formula which predict roughness of treated surface after abrasive blasting processing.

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“…Moreover, the technology for abrasive jet machining of metal surfaces was proposed in the paper [19]. The high-speed boriding technology for alloy steel was developed in the article [20].…”

Section: Introductionmentioning

confidence: 99%

Estimation of Wear Resistance for Multilayer Coatings Obtained by Nitrogenchroming

Pavlenko

Zajac

Kharchenko

et al. 2021

Metals

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This article deals with improving the wear resistance of multilayer coatings as a fundamental problem in metal surface treatment, strengthening elements of cutting tools, and ensuring the reliability of machine parts. It aims to evaluate the wear depth for multilayer coatings by the mass loss distribution in layers. The article’s primary purpose is to develop a mathematical method for assessing the value of wear for multilayer steel-based coatings. The study material is a multilayer coating applied to steel DIN C80W1. The research was performed using up-to-date laboratory equipment. Nitrogenchroming has been realized under overpressure in two successive stages: nitriding for 36 h at temperature 540 °C and chromizing during 4 h at temperature 1050 °C. The complex analysis included several options: X-ray phase analysis, local micro-X-ray spectral analysis, durometric analysis, and determination of wear resistance. These analyses showed that after nitrogenchroming, the three-layer protective coating from Cr23C6, Cr7C3, and Cr2N was formed on the steel surface. Spectral analysis indicated that the maximum amount of chromium 92.2% is in the first layer from Cr23C6. The maximum amount of carbon 8.9% characterizes the layer from Cr7C3. Nitrogen is concentrated mainly in the Cr2N layer, and its maximum amount is 9.4%. Additionally, it was determined that the minimum wear is typical for steel DIN C80W1 after nitrogenchroming. The weight loss of steel samples by 25 mg was obtained. This value differs by 3.6% from the results evaluated analytically using the developed mathematical model of wear of multilayer coatings after complex metallization of steel DIN C80W1. As a result, the impact of the loading mode on the wear intensity of steel was established. As the loading time increases, the friction coefficient of the coated samples decreases. Among the studied samples, plates from steel DIN C80W1 have the lowest friction coefficient after nitrogenchroming. Additionally, a linear dependence of the mass losses on the wearing time was obtained for carbide and nitride coatings. Finally, an increase in loading time leads to an increase in the wear intensity of steels after nitrogenchroming. The achieved scientific results are applicable in developing methods of chemical-thermal treatment, improving the wear resistance of multilayer coatings, and strengthening highly loaded machine parts and cutting tools.

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Technology of Effective Abrasive Jet Machining of Parts Surfaces

Cited by 6 publications

References 2 publications

An Increase in the Energy Efficiency of Abrasive Jet Equipment Based on the Rational Choice of Nozzle Geometry

An Increase in the Energy Efficiency of Abrasive Jet Equipment Based on the Rational Choice of Nozzle Geometry

Surface Roughness Measurement of Casted Parts after Abrasive Blasting Processing

Estimation of Wear Resistance for Multilayer Coatings Obtained by Nitrogenchroming

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